html,
body {
  font-family: @font-family;
  line-height: 1.5; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  -webkit-font-smoothing: antialiased; /* chrome、safari */
  -moz-osx-font-smoothing: grayscale; /* firefox */
}

/* Sections
  ========================================================================== */

/**
* Remove the margin in all browsers.
*/

body {
  margin: 0;
  padding: 0;
}

/**
* Render the `main` element consistently in IE.
*/

main {
  display: block;
}

/**
* Correct the font size and margin on `h1` elements within `section` and
* `article` contexts in Chrome, Firefox, and Safari.
*/

h1 {
  margin: 0.67em 0;
  font-size: 2em;
}

/* Grouping content
  ========================================================================== */

/**
* 1. Add the correct box sizing in Firefox.
* 2. Show the overflow in Edge and IE.
*/

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

tr,
th {
  margin: 0;
  padding: 0;
}

/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/

pre {
  font-size: 1em; /* 2 */
  font-family: monospace, monospace; /* 1 */
}

/* Text-level semantics
  ========================================================================== */

/**
* Remove the gray background on active links in IE 10.
*/

a {
  background-color: transparent;
}

/**
* 1. Remove the bottom border in Chrome 57-
* 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
*/

abbr[title] {
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
  border-bottom: none; /* 1 */
}

/**
* Add the correct font weight in Chrome, Edge, and Safari.
*/

b,
strong {
  font-weight: bolder;
}

/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/

code,
kbd,
samp {
  font-size: 1em; /* 2 */
  font-family: monospace, monospace; /* 1 */
}

/**
* Add the correct font size in all browsers.
*/

small {
  font-size: 80%;
}

/**
* Prevent `sub` and `sup` elements from affecting the line height in
* all browsers.
*/

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
  ========================================================================== */

/**
* Remove the border on images inside links in IE 10.
*/

img {
  border-style: none;
}

/* Forms
  ========================================================================== */

/**
* 1. Change the font styles in all browsers.
* 2. Remove the margin in Firefox and Safari.
*/

button,
input,
optgroup,
select,
textarea {
  margin: 0; /* 2 */
  font-family: inherit; /* 1 */
  line-height: 1.15; /* 1 */
}

/**
* Show the overflow in IE.
* 1. Show the overflow in Edge.
*/

button,
input {
  /* 1 */
  overflow: visible;
}

/**
* Remove the inheritance of text transform in Edge, Firefox, and IE.
* 1. Remove the inheritance of text transform in Firefox.
*/

button,
select {
  /* 1 */
  text-transform: none;
}

/**
* Correct the inability to style clickable types in iOS and Safari.
*/

button,
[type='button'],
[type='reset'],
[type='submit'] {
  -webkit-appearance: button;
}

/**
* Remove the inner border and padding in Firefox.
*/

button::-moz-focus-inner,
[type='button']::-moz-focus-inner,
[type='reset']::-moz-focus-inner,
[type='submit']::-moz-focus-inner {
  padding: 0;
  border-style: none;
}

/**
* Restore the focus styles unset by the previous rule.
*/

button:-moz-focusring,
[type='button']:-moz-focusring,
[type='reset']:-moz-focusring,
[type='submit']:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
* Correct the padding in Firefox.
*/

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

/**
* 1. Correct the text wrapping in Edge and IE.
* 2. Correct the color inheritance from `fieldset` elements in IE.
* 3. Remove the padding so developers are not caught out when they zero out
*    `fieldset` elements in all browsers.
*/

legend {
  display: table; /* 1 */
  box-sizing: border-box; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  color: inherit; /* 2 */
  white-space: normal; /* 1 */
}

/**
* Add the correct vertical alignment in Chrome, Firefox, and Opera.
*/

progress {
  vertical-align: baseline;
}

/**
* Remove the default vertical scrollbar in IE 10+.
*/

textarea {
  overflow: auto;
}

/**
* 1. Add the correct box sizing in IE 10.
* 2. Remove the padding in IE 10.
*/

[type='checkbox'],
[type='radio'] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
* Correct the cursor style of increment and decrement buttons in Chrome.
*/

[type='number']::-webkit-inner-spin-button,
[type='number']::-webkit-outer-spin-button {
  height: auto;
}

/**
* 1. Correct the odd appearance in Chrome and Safari.
* 2. Correct the outline style in Safari.
*/

[type='search'] {
  outline-offset: -2px; /* 2 */
  -webkit-appearance: textfield; /* 1 */
}

/**
* Remove the inner padding in Chrome and Safari on macOS.
*/

[type='search']::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
* 1. Correct the inability to style clickable types in iOS and Safari.
* 2. Change font properties to `inherit` in Safari.
*/

::-webkit-file-upload-button {
  font: inherit; /* 2 */
  -webkit-appearance: button; /* 1 */
}

/* Interactive
  ========================================================================== */

/*
* Add the correct display in Edge, IE 10+, and Firefox.
*/

details {
  display: block;
}

/*
* Add the correct display in all browsers.
*/

summary {
  display: list-item;
}

/* Misc
  ========================================================================== */

/**
* Add the correct display in IE 10+.
*/

template {
  display: none;
}

/**
* Add the correct display in IE 10.
*/

[hidden] {
  display: none;
}

* {
  outline: none;
}

/**
* remove input clear icon in IE & Edge
*/
input::-ms-clear,
input::-ms-reveal {
  display: none;
}
